315233312025 has 24 divisors (see below), whose sum is σ = 543845995200. Its totient is φ = 160814674240.

The previous prime is 315233312021. The next prime is 315233312033. The reversal of 315233312025 is 520213332513.

It is a happy number.

It is not a de Polignac number, because 315233312025 - 2² = 315233312021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315233311983 and 315233312001.

It is not an unprimeable number, because it can be changed into a prime (315233312021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91370250 + ... + 91373699.

It is an arithmetic number, because the mean of its divisors is an integer number (22660249800).

Almost surely, 2^315233312025 is an apocalyptic number.

It is an amenable number.

315233312025 is a deficient number, since it is larger than the sum of its proper divisors (228612683175).

315233312025 is a wasteful number, since it uses less digits than its factorization.

315233312025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182743985 (or 182743980 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 315233312025 its reverse (520213332513), we get a palindrome (835446644538).

The spelling of 315233312025 in words is "three hundred fifteen billion, two hundred thirty-three million, three hundred twelve thousand, twenty-five".